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In this image made from amateur video released by the Ugarit News and accessed Monday, July 23, 2012, Free Syrian Army soldiers sit on a military tank during clashes with Syrian government troops in Aleppo, Syria. The Syrian regime acknowledged for the first time Monday that it possessed stockpiles of chemical and biological weapons and said it will only use them in case of a foreign attack and never internally against its own citizens. (AP Photo/Ugarit News via AP video) TV OUT, THE ASSOCIATED PRESS CANNOT INDEPENDENTLY VERIFY THE CONTENT, DATE, LOCATION OR AUTHENTICITY OF THIS MATERIAL
/ AP